Home / 19,220.16-28,830.06-6,072.60

Finding the Fourth Proportional to 19,220.16, 28,830.06 and 6,072.60

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Solution

The fourth proportional to 19,220.16, 28,830.06 and 6,072.60 is: 9,108.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,220.16 : 28,830.06 = 6,072.60 : x
  2. Step 2: Convert to fraction form
    19,220.16/28,830.06 = 6,072.60/x
  3. Step 3: Cross multiply
    19,220.16x = 28,830.06 × 6,072.60
  4. Step 4: Simplify right side
    19,220.16x = 175,073,422.36
  5. Step 5: Solve for x
    x = 175,073,422.36/19,220.16
  6. Step 6: Final answer
    x = 9,108.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.